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Supporting Documentation · Apr 15, 2026

Stormwater Management Report Revised as of 01282026 4936 0314 8685 v2

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Particle Size Distribution Report As per ASTM D 6913 ~_ _~ o oo oao o~ o e~ aos~{ pp co~ N f0 M N ~ • \ \ M 4k # ~ ;~ iG 4t # # # 100 I I I I I I I I I I so I I I I I l I I Ll I I I I I I I I I I I I I I I I I I so I I I I I I I I I I I I • I I I I I I I I I I I I I 70 I I I I I . I I I I I I ~ I I I I I I I I I I I I s0 I 1 I I I I I I I I I z I I I I I I I I I I I I I I I I I I I I I I I Z 5o I I I I I I I ~ I I I I w I I I I I

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I I I Z 5o I I I I I I I ~ I I I I w I I I I I I I I I I I I ~ I I I I I I I I •. I I I I W 4o I I I I I I I I I l r l °" I I I I I I I I • I I I I 3o I I I I I I I I I • I I I I I I I I I I I I I I • I I I I I I I I I I I I I I • I 20 I I I I I I I I I I I I I ,~ I I I I I I I I I ( I I I I I I I I I I I I I I I I I I 10 I I I i t I I 1 I I I I ► I I I I I I I I I I I I I I I o I I I I I I I I I I I I I I 100 10 1 01 0.01 0.001 GRAIN SIZE - mm. %Gravel %Sand %Fines % +3" Coarse Fine Coarse Medium Fine

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%Fines % +3" Coarse Fine Coarse Medium Fine Silt Clay 0.0 22.5 25.5 10.1 10.9 10.0 21.0 - SIEVE PERCENT SPEC:` PASS? Material Description SIZE FINER PERCENT (X=NO) Brown in color. silty gravel with sand 1 100.0 3/4 77.5 1/2 67.9 3/8 61.8 Atterberg Limits PL= NP LL= NV PI= NP #4 52.0 #8 43.5 Coefficients #10 41.9 Dgp= 22.6921 D85= 21.3376 D60= 8.7032 #16 37.4 D50= 4.0095 D30= 0.3519 D15= #30 32.9 D10= Cu= Cc= #50 29.1 Classification #100 25.1 USCS= GM AASHTO= A-]-b #200 21.0 Remarks Sample was collected on 08/20/24 and tested on 08/26/24 In-Situ %MC=8.2

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le was collected on 08/20/24 and tested on 08/26/24 In-Situ %MC=8.2 F.M.4.41 ~` (no specification provided) Location: B-4 Sample Number: S-4 Depth: 8'-10' Date: 08/26/2024 ANS CONSULTANTS, IIVC. Client: GomesManagement Project: 625 Northfield Avenue, West Orange, NJ Block 159.04, Lot # 1.01, 1.02 & 1.03 South Plainfield, New Jersey Project No: ANV-6549 Figure 4 F 1

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